Clinical Efficacy of Low-Level Laser Therapy for Androgenetic Alopecia

    Haiyan Cheng, Fenglin Zhuo
    TLDR Low-level laser therapy effectively treats hair loss, especially when combined with finasteride.
    The study evaluated the efficacy and safety of low-level laser therapy (LLLT) for androgenetic alopecia (AGA) in 39 male patients over 6 months. Patients were divided into two groups: one receiving LLLT alone (21 patients) and the other receiving LLLT combined with oral finasteride (18 patients). Results showed significant hair density increases in both groups, with the combined treatment group showing greater improvements. After 6 months, hair density in the LLLT group increased from 166.67 to 184.59 hairs/cm², while the combined group saw an increase from 157.85 to 201.80 hairs/cm². Both treatments were effective, with no significant adverse effects reported, except for a mild warming sensation. The study concluded that LLLT is an effective and safe treatment for AGA, with enhanced results when combined with finasteride.
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